<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="16">
          <el-input placeholder="请输入内容"
                    class="input-with-select"
                    clearable
                    v-model="queryInfo.query"
                    @clear="getUserList()">
            <el-button slot="append"
                       icon="el-icon-search"
                       @click="getUserList()"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary"
                     @click="addDialogVisible = true">+新增</el-button>
        </el-col>
      </el-row>

      <el-table :data="userlist"
                border
                style="width: 100%">

        <el-table-column fixed
                         type="index"
                         label="#">
        </el-table-column>
        <el-table-column prop="username"
                         label="姓名"
                         width="120">
        </el-table-column>
        <el-table-column prop="email"
                         label="E-mail"
                         width="180">
        </el-table-column>
        <el-table-column prop="mobile"
                         label="电话"
                         width="120">
        </el-table-column>
        <el-table-column prop="role_name"
                         label="权限组"
                         width="120">
        </el-table-column>
        <el-table-column label="状态"
                         width="100">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state"
                       @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column prop="create_time"
                         label="注册日期"
                         width="150"
                         :formatter="dateFormat">
        </el-table-column>
        <el-table-column fixed="right"
                         label="操作"
                         width="180">
          <template slot-scope="scope">
            <el-button type="primary"
                       @click="showEditDialog(scope.row.id)"
                       icon="el-icon-edit"
                       title="编辑"
                       size="small"></el-button>
            <el-button type="danger"
                       @click="removeUserById(scope.row.id)"
                       icon="el-icon-delete"
                       title="删除"
                       size="small"></el-button>
            <el-button type="warning"
                       icon="el-icon-setting"
                       title="分配权限"
                       size="small"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination background
                     @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[5, 10, 15, 20]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>
    </el-card>

    <el-dialog title="添加用户"
               :visible.sync="addDialogVisible"
               width="50%"
               @close="addDialogClosed">
      <el-form label-width="70px"
               :model="addForm"
               :rules="addFormRules"
               ref="addFormRef">
        <el-form-item label="用户名"
                      prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码"
                      prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="修改用户信息"
               :visible.sync="editDialogVisible"
               width="50%"
               @close="editDialogClosed">
      <el-form label-width="70px"
               :model="editForm"
               :rules="editFormRules"
               ref="editFormRef">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username"
                    disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
import moment from 'moment'
export default {
  data () {
    // 邮箱验证规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        // 合法邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 手机号验证规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[0123678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        // 合法手机号
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      userlist: [],
      total: 0,
      // 新增用户
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 20, message: '用户名长度在3-10个字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 20, message: '密码长度在6-20个字符之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改用户
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    // 获取用户列表
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.erroe('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChanged (userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
      console.log(res)
    },
    // 关闭添加用户对话框
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败!')
        }
        this.$message.success('添加用户成功!')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 修改用户
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          this.$message.error('修改用户信息失败!')
        }
        this.$message.success('修改用户信息成功!')
        this.editDialogVisible = false
        this.getUserList()
      })
    },

    // 删除用户
    async removeUserById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
      if (confirmResult !== 'confirm') {
        return this.$message({
          type: 'info',
          message: '已取消删除'
        })
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message({
          type: 'error',
          message: '删除失败！'
        })
      }
      this.$message({
        type: 'success',
        message: '删除成功!'
      })
      this.getUserList()
    },

    // 时间格式化
    dateFormat (row, column) {
      var date = row[column.property]
      if (date === undefined) {
        return ''
      }
      return moment(date).format('YYYY-MM-DD HH:mm:ss')
    }

  }
}
</script>
<style lang="less" scoped>
</style>
